The ACP is available in three models:
STANDARD ACP – This basic model allows for fast, easy conversion and works with most railed pistols, equipped with a QD sling mount.
ACP-Enhanced – The Enhanced version includes the new SIG SAUER Mil-Grade Mini Red Dot Sight, a quick
detachable sling swivel and a Single Point Bungee Sling.
ACP-LE – This National Firearms Act-regulated military/law enforcement model features a top folding shoulder
stock. Civilian purchasers must comply with the requirements for registering a short-barreled rifle.